/**
 * @file
 * Udemy-style Course Page Styles
 * Matches the actual Udemy.com layout
 */

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

.udemy-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #1c1d1f;
    background: #fff;
}

/* ==========================================================================
   HERO SECTION - Full Width Dark Background
   ========================================================================== */

.udemy-hero {
    background: #1c1d1f;
    color: #fff;
    padding: 32px 0 40px;
}

.udemy-hero__inner {
    max-width: 850px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Breadcrumb */
.udemy-breadcrumb {
    font-size: 14px;
    margin-bottom: 16px;
    color: #c0c4fc;
}

.udemy-breadcrumb a {
    color: #c0c4fc;
    text-decoration: none;
}

.udemy-breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
}

.udemy-breadcrumb span {
    margin: 0 8px;
    opacity: 0.7;
}

/* Title - Force white text on dark hero */
.udemy-page .udemy-hero .udemy-hero__title,
.udemy-hero__title {
    font-size: 32px !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
    margin: 0 0 16px !important;
    color: #fff !important;
}

/* Subtitle - Force light text on dark hero */
.udemy-page .udemy-hero .udemy-hero__subtitle,
.udemy-hero__subtitle {
    font-size: 18px !important;
    line-height: 1.6 !important;
    color: #d1d7dc !important;
    margin: 0 0 16px !important;
    max-width: 700px;
}

/* Badges */
.udemy-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.udemy-badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 4px;
    background: #6a6f73;
    color: #fff;
}

.udemy-badge--gold {
    background: #f9ca24;
    color: #1c1d1f;
}

/* Creator */
.udemy-hero__creator {
    font-size: 14px;
    color: #d1d7dc;
    margin: 0 0 12px;
}

.udemy-hero__creator a {
    color: #c0c4fc;
    text-decoration: underline;
}

/* Meta info */
.udemy-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: #d1d7dc;
}

.udemy-meta__item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.udemy-meta__icon {
    font-size: 14px;
}

/* ==========================================================================
   LAYOUT - Main + Sidebar
   ========================================================================== */

.udemy-layout {
    background: #fff;
    padding: 32px 0;
}

.udemy-layout__inner {
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
}

.udemy-main {
    min-width: 0;
}

/* ==========================================================================
   WHAT YOU'LL LEARN BOX
   ========================================================================== */

.udemy-learn-box {
    border: 1px solid #d1d7dc;
    padding: 24px;
    margin-bottom: 32px;
}

.udemy-learn-box__title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 16px;
    color: #1c1d1f;
}

.udemy-learn-box__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}

.udemy-learn-box__grid ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.udemy-learn-box__grid li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
}

.udemy-learn-box__grid li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1c1d1f;
    font-size: 14px;
}

/* ==========================================================================
   FREE PREVIEW BOX
   ========================================================================== */

.udemy-preview-box {
    border: 2px solid #a435f0;
    border-radius: 4px;
    padding: 24px;
    margin-bottom: 32px;
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
}

.udemy-preview-box__title {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 8px;
    color: #1c1d1f;
}

.udemy-preview-box__subtitle {
    font-size: 14px;
    color: #6a6f73;
    margin: 0 0 20px;
}

.udemy-preview-box__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Accordion Styles */
.udemy-accordion {
    border: 1px solid #d1d7dc;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}

.udemy-accordion__item {
    border-bottom: 1px solid #d1d7dc;
}

.udemy-accordion__item:last-child {
    border-bottom: none;
}

.udemy-accordion__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 16px;
    background: #f7f9fa;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    color: #1c1d1f;
    text-align: left;
    transition: background 0.2s;
}

.udemy-accordion__header:hover {
    background: #eef1f3;
}

.udemy-accordion__header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.udemy-accordion__chevron {
    font-size: 12px;
    transition: transform 0.2s;
    color: #6a6f73;
}

.udemy-accordion__item.is-open .udemy-accordion__chevron {
    transform: rotate(90deg);
}

.udemy-accordion__icon {
    font-size: 16px;
}

.udemy-accordion__title {
    color: #1c1d1f;
}

.udemy-accordion__count {
    font-size: 12px;
    font-weight: 400;
    color: #6a6f73;
}

.udemy-accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: #fff;
}

.udemy-accordion__item.is-open .udemy-accordion__content {
    max-height: none;
}

/* Legacy preview list (for non-accordion) */
.udemy-preview-list {
    border: 1px solid #d1d7dc;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}

/* Module header in preview list */
.udemy-preview-module-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f7f9fa;
    border-bottom: 1px solid #d1d7dc;
    font-weight: 700;
    font-size: 14px;
}


.udemy-preview-module-icon {
    font-size: 16px;
}

.udemy-preview-module-name {
    color: #1c1d1f;
}

/* Activity item in preview list */
.udemy-preview-activity {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: #fff;
    border-bottom: 1px solid #f1f1f1;
    cursor: default;
    transition: background 0.2s;
}

.udemy-preview-activity:last-child {
    border-bottom: none;
}

.udemy-preview-activity__main {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
}

.udemy-preview-activity__icon {
    font-size: 18px;
    width: 28px;
    text-align: center;
}

.udemy-preview-activity__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.udemy-preview-activity__name {
    font-size: 14px;
    font-weight: 500;
    color: #1c1d1f;
}

.udemy-preview-activity__type {
    font-size: 11px;
    color: #6a6f73;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.udemy-preview-activity__status {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 4px 10px;
    border-radius: 3px;
    white-space: nowrap;
}

/* Unlocked activity (preview enabled) */
.udemy-preview-activity.is-unlocked {
    cursor: pointer;
}

.udemy-preview-activity.is-unlocked:hover {
    background: #f0f4ff;
}

.udemy-preview-activity.is-unlocked .udemy-preview-activity__status {
    background: rgba(34, 197, 94, 0.15);
    color: #16a34a;
}

.udemy-preview-activity.is-unlocked .udemy-preview-activity__icon {
    color: #a435f0;
}

/* Locked activity (no preview) */
.udemy-preview-activity.is-locked {
    opacity: 0.7;
}

.udemy-preview-activity.is-locked .udemy-preview-activity__name {
    color: #6a6f73;
}

.udemy-preview-activity.is-locked .udemy-preview-activity__status {
    background: rgba(0, 0, 0, 0.08);
    color: #9da1a7;
}

/* Preview CTA */
.udemy-preview-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, #a435f0 0%, #8710d8 100%);
    border-radius: 6px;
    color: #fff;
}

.udemy-preview-cta p {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
}

.udemy-preview-cta__buttons {
    display: flex;
    gap: 10px;
}

.udemy-preview-cta .udemy-btn--primary {
    background: #fff;
    color: #a435f0;
}

.udemy-preview-cta .udemy-btn--primary:hover {
    background: #f7f9fa;
}

.udemy-preview-cta .udemy-btn--secondary {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Legacy button styles (keeping for backwards compatibility) */
.udemy-preview-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid #d1d7dc;
    border-radius: 4px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
}

.udemy-preview-btn:hover {
    border-color: #a435f0;
    box-shadow: 0 2px 8px rgba(164, 53, 240, 0.15);
}

.udemy-preview-btn__icon {
    width: 48px;
    height: 48px;
    background: #a435f0;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.udemy-preview-btn__text {
    flex: 1;
}

.udemy-preview-btn__label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: #a435f0;
    margin-bottom: 2px;
}

.udemy-preview-btn__name {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: #1c1d1f;
}


/* ==========================================================================
   THIS COURSE INCLUDES
   ========================================================================== */

.udemy-includes {
    margin-bottom: 32px;
}

.udemy-includes__title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 16px;
    color: #1c1d1f;
}

.udemy-includes__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 32px;
}

.udemy-includes__item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.udemy-includes__icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* ==========================================================================
   COURSE CONTENT / CURRICULUM SECTION
   ========================================================================== */

.udemy-curriculum-section {
    margin-bottom: 32px;
}

.udemy-curriculum-section__title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 16px;
    color: #1c1d1f;
}

.udemy-curriculum-wrapper {
    border: 1px solid #d1d7dc;
    border-radius: 4px;
    overflow: hidden;
}

/* ==========================================================================
   STICKY SIDEBAR CARD
   ========================================================================== */

.udemy-sidebar {
    position: relative;
}

.udemy-card {
    position: sticky;
    top: 80px;
    background: #fff;
    border: 1px solid #d1d7dc;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: 4px;
    overflow: hidden;
}

/* Card Media */
.udemy-card__media {
    position: relative;
    aspect-ratio: 16/9;
    background: #000;
    overflow: hidden;
}

.udemy-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.udemy-card__play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.udemy-card__play-overlay:hover {
    background: rgba(0, 0, 0, 0.75);
}

.udemy-card__play-btn {
    width: 65px;
    height: 65px;
    background: #fff;
    color: #1c1d1f;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s;
}

.udemy-card__play-overlay:hover .udemy-card__play-btn {
    transform: scale(1.1);
}

.udemy-card__play-text {
    font-size: 14px;
    font-weight: 600;
}

/* Card Body */
.udemy-card__body {
    padding: 20px;
}

.udemy-card__progress {
    margin-bottom: 16px;
}

.udemy-card__cta {
    margin-bottom: 16px;
}

.udemy-card__btn {
    display: block;
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.udemy-card__btn--primary {
    background: #a435f0;
    color: #fff;
}

.udemy-card__btn--primary:hover {
    background: #8710d8;
}

.udemy-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    font-size: 13px;
}

.udemy-card__features li {
    padding: 6px 0;
    color: #6a6f73;
    border-bottom: 1px solid #e5e7eb;
}

.udemy-card__features li:last-child {
    border-bottom: none;
}

.udemy-card__actions {
    padding-top: 12px;
    border-top: 1px solid #e5e7eb;
}

/* ==========================================================================
   MODAL STYLES (keeping from before)
   ========================================================================== */

.udemy-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.udemy-modal.is-open {
    display: flex;
}

body.modal-open {
    overflow: hidden;
}

.udemy-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.udemy-modal__dialog {
    position: relative;
    width: 95%;
    max-width: 900px;
    max-height: 90vh;
    background: #1c1d1f;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.udemy-modal__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #3e4143;
}

.udemy-modal__header-content {
    flex: 1;
}

.udemy-modal__badge {
    display: inline-block;
    background: #a435f0;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 4px 8px;
    border-radius: 2px;
    margin-bottom: 8px;
}

.udemy-modal__title {
    margin: 0;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.udemy-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s;
}

.udemy-modal__close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.udemy-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.udemy-modal__loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: #9da1a7;
}

.udemy-loader {
    width: 40px;
    height: 40px;
    border: 3px solid #3e4143;
    border-top-color: #a435f0;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.udemy-modal__error {
    text-align: center;
    padding: 60px 20px;
    color: #9da1a7;
}

.udemy-error-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.udemy-modal__error h3 {
    margin: 0 0 8px;
    color: #fff;
    font-size: 18px;
}

.udemy-modal__error p {
    margin: 0;
}

.udemy-modal__footer {
    padding: 16px 24px;
    background: linear-gradient(135deg, #a435f0 0%, #8710d8 100%);
    border-radius: 0 0 8px 8px;
}

.udemy-modal__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.udemy-modal__cta-text {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}

.udemy-modal__lock {
    font-size: 20px;
}

.udemy-modal__cta-message {
    font-size: 14px;
    font-weight: 500;
}

.udemy-modal__cta-buttons {
    display: flex;
    gap: 10px;
}

.udemy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s;
}

.udemy-btn--primary {
    background: #fff;
    color: #1c1d1f;
}

.udemy-btn--primary:hover {
    background: #f7f9fa;
}

.udemy-btn--secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.udemy-btn--secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Modal Curriculum */
.udemy-curriculum {
    padding: 0;
}

.udemy-curriculum__section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: #2d2f31;
    border-bottom: 1px solid #3e4143;
}

.udemy-curriculum__section-title {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}

.udemy-curriculum__section-meta {
    color: #9da1a7;
    font-size: 12px;
}

.udemy-curriculum__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.udemy-curriculum__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-bottom: 1px solid #3e4143;
}

.udemy-curriculum__item-main {
    display: flex;
    align-items: center;
    gap: 16px;
}

.udemy-curriculum__icon {
    font-size: 16px;
}

.udemy-curriculum__item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.udemy-curriculum__item-title {
    color: #fff;
    font-size: 14px;
}

.udemy-curriculum__item-type {
    color: #9da1a7;
    font-size: 11px;
    text-transform: uppercase;
}

.udemy-curriculum__item-status {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 2px;
}

.udemy-curriculum__item.is-free .udemy-curriculum__item-status {
    background: rgba(92, 184, 92, 0.2);
    color: #5cb85c;
}

.udemy-curriculum__item.is-locked .udemy-curriculum__item-status {
    background: rgba(255, 255, 255, 0.1);
    color: #9da1a7;
}

.udemy-curriculum__item.is-locked .udemy-curriculum__item-title {
    color: #6a6f73;
}

.udemy-curriculum__content {
    background: #2d2f31;
    border-bottom: 1px solid #3e4143;
}

.udemy-curriculum__content-inner {
    padding: 20px 24px 20px 64px;
    color: #d1d7dc;
    font-size: 14px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
    .udemy-layout__inner {
        grid-template-columns: 1fr;
    }

    .udemy-sidebar {
        order: -1;
    }

    .udemy-card {
        position: static;
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .udemy-hero__title {
        font-size: 24px;
    }

    .udemy-hero__subtitle {
        font-size: 16px;
    }

    .udemy-learn-box__grid,
    .udemy-includes__grid {
        grid-template-columns: 1fr;
    }

    .udemy-modal__cta {
        flex-direction: column;
        text-align: center;
    }

    .udemy-modal__cta-buttons {
        width: 100%;
    }

    .udemy-btn {
        flex: 1;
    }
}

@media (max-width: 480px) {
    .udemy-hero {
        padding: 20px 0;
    }

    .udemy-hero__inner,
    .udemy-layout__inner {
        padding: 0 16px;
    }

    .udemy-learn-box,
    .udemy-preview-box {
        padding: 16px;
    }

    .udemy-modal__dialog {
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
}